(y^2+y)(x^4+3x^3-2x^3)=y^2(x^4+3x^3 -2x^3)+y(x^4+3x^3-2x^3( is an example of:

a. vertical multiplication

b. the distributive property

c. foil

d. multiplying 2 binomials

B. Distributive property

Step-by-step explanation:

The distributive property says

You are given the expression

Denote

then your expression is

Here, you can see that distributive property was used.

Now, change c into the again

to get the distributive property for the initial expression

part d

step-by-step explanation:

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